Electrical Design Engineer
hace 3 días
Chandler
Title: Electrical Design Engineer Type: Full Time (Onsite) Location: Chandler, AZ Summary: Company Description: Company designs and manufactures custom low-voltage switchgear, switchboards, panelboards, industrial control panels, and electrical enclosures that support mission-critical power infrastructure. We are growing rapidly and are looking for a Electrical Design Engineer who enjoys solving complex engineering challenges, turning concepts into detailed 3D models while working closely with manufacturing to deliver high-quality products. Job Summary: The Electrical Engineer owns the complete Electrical design lifecycle for custom electrical equipment—from customer specifications through Electrical Schematics, BOM Creation, Testing & Programming in compliance with UL, IEEE and NFPA standards. This role is partnering closely with mechanical engineering, manufacturing, and production to develop scalable, manufacturable solutions. This is a hands-on engineering role with approximately 70% office-based design work and 30% Panel shop and Testing support, ensuring designs transition successfully from design to production. Job Responsibilities/Duties: • Lead the electrical design and development of low-voltage and medium-voltage switchgear, switchboards, and power distribution equipment, from initial customer requirements through manufacturing release and project completion., • Develop and review electrical system documentation, including single-line diagrams, three-line diagrams, control schematics, wiring diagrams, interconnection drawings, and other electrical design documentation required for manufacturing and customer approval., • Select and specify major electrical components, including circuit breakers, protective devices, bus systems, metering, transformers, control power equipment, and related components, based on project requirements and applicable electrical standards., • Ensure equipment designs comply with applicable industry standards and codes, including UL 891, NFPA 70 (NEC), and applicable IEEE C37 standards, as required by the product and application., • Determine appropriate equipment voltage ratings, continuous-current ratings, interrupting ratings, and short-circuit withstand ratings based on system requirements and available fault-current information., • Develop and review grounding and bonding requirements for switchgear and switchboard assemblies in accordance with applicable NEC, UL, IEEE, and customer requirements., • Develop electrical protection strategies and coordinate the application of circuit breakers, protective relays, trip units, fuses, and other protective devices to provide appropriate system protection and coordination., • Design and review control and interlock schemes, including electrical and mechanical interlocks, permissives, trip circuits, emergency power-off (EPO), alarms, status indication, and other control functions., • Engineer and integrate automatic and manual transfer schemes, including transfer switches and breaker-based transfer systems, where required by the application., • Develop and review auxiliary power systems, including AC and DC control power, control power transformers, battery systems, panelboards, receptacles, lighting, heaters, and other auxiliary electrical loads incorporated into equipment designs., • Coordinate electrical interfaces with PLC/control systems, building management systems (Client), generator controls, UPS systems, HVAC equipment, fire alarm systems, and other external systems as required by the project., • Review customer specifications, drawings, and technical requirements to identify design requirements, exceptions, potential conflicts, and compliance concerns before equipment is released for manufacturing., • Provide technical leadership during customer drawing reviews, design reviews, and engineering discussions, and communicate technical solutions clearly to customers, project managers, vendors, and internal teams., • Create, review, and maintain accurate Bills of Materials (BOMs), ensuring electrical components and quantities are consistent with approved drawings, engineering requirements, and manufacturing needs., • Work closely with Mechanical Engineering, Project Management, Procurement, Production, and Quality to resolve technical issues and ensure projects are successfully transitioned from engineering into manufacturing., • Provide engineering support to manufacturing by resolving design questions, component substitutions, wiring issues, assembly concerns, and nonconformances encountered during production., • Evaluate alternate components and manufacturers when necessary due to availability, lead time, cost, obsolescence, or customer requirements, while maintaining electrical performance, safety, and regulatory compliance., • Support and participate in First Article Inspections (FAI), Factory Acceptance Testing (FAT), functional testing, and other product verification activities., • Provide technical support for commissioning, startup, and field troubleshooting, including investigation and resolution of electrical equipment issues when required., • Support UL/NRTL certification and listing activities, including interpretation of applicable standards, design reviews, documentation, testing, and resolution of compliance issues., • Participate in the development and continuous improvement of engineering standards, design practices, drawing templates, component standards, BOM structures, and engineering processes., • Identify opportunities to improve product reliability, manufacturability, standardization, cost, and engineering efficiency while maintaining safety and compliance requirements., • Serve as a technical resource and mentor for junior electrical engineers, designers, and other engineering personnel, providing design guidance and reviewing engineering work as appropriate., • Perform other engineering and job-related duties as assigned. Required Qualifications • Bachelor’s degree in Electrical Engineering from an accredited college or university, or equivalent combination of education and directly relevant electrical power distribution experience., • Minimum of 7 years of progressive electrical engineering experience, with significant experience in power distribution equipment, switchgear, switchboards, or related electrical equipment., • Strong understanding of three-phase power distribution systems, including voltage, current, power, power factor, grounding, and system configuration., • Demonstrated knowledge of short-circuit current, interrupting ratings, short-time withstand ratings, and equipment application requirements., • Experience selecting and applying low-voltage power circuit breakers, molded-case circuit breakers, insulated-case circuit breakers, protective devices, metering equipment, control power components, and related switchgear components., • Experience developing or reviewing control circuits, breaker interlocks, transfer schemes, permissives, trip circuits, alarms, and equipment status/indication circuits., • Ability to interpret customer specifications, electrical drawings, engineering studies, and project requirements and translate those requirements into manufacturable electrical equipment designs., • Experience developing, reviewing, and maintaining Bills of Materials (BOMs) and ensuring consistency between engineering drawings, component selections, and manufacturing requirements., • Demonstrated ability to troubleshoot electrical equipment and resolve technical issues encountered during manufacturing, testing, commissioning, or field operation., • Strong technical communication skills with the ability to communicate engineering concepts and design decisions to customers, vendors, manufacturing personnel, and other engineers., • Ability to independently manage engineering responsibilities across multiple projects while maintaining technical accuracy, quality, and project schedules., • Demonstrated ability to review engineering work and provide technical guidance or mentorship to less-experienced engineers and designers. Preferred Qualifications • Experience with equipment utilizing major circuit breaker manufacturers such as ABB, Client, Schneider Electric/Square D, and Siemens., • Experience with automatic transfer systems, generator paralleling or generator distribution systems, UPS systems, and redundant power distribution architectures., • Familiarity with protective relays, power meters, communication networks, and intelligent electronic devices (IEDs) used in modern switchgear and power distribution systems., • Experience with electrical communication protocols such as Modbus RTU/TCP, Ethernet/IP, BACnet, or other industrial communication protocols used for equipment monitoring and system integration., • Experience supporting UL/NRTL certification, product testing, Factory Acceptance Testing (FAT), or other regulatory compliance activities., • Familiarity with AutoCAD, AutoCAD Electrical, or similar electrical drafting/design software., • Previous experience providing technical leadership, design reviews, engineering standardization, or mentorship within an electrical engineering team. Physical Requirements: • Must be able to lift up to 50lbs., • Must be able to handle exposure to moderate noise, dust, vibration and temperature variations typical to a manufacturing environment., • Ability to bend, stoop, kneel, crouch, reach, and climb ladders or stairs when inspecting equipment or supporting production., • Computer operation, CAD modeling, measuring equipment, and handling engineering tools and components.